CVE-2026-43036

Summary (CVE-2026-43036) : The issue resides in the Linux kernel networking path, where gso_features_check() read IPv4 header offsets (iph->frag_off) in a way that could dereference uninitialized data when packets are injected via PF_PACKET paths. The root cause is unsafe header dereferencing ...

CVE-2026-43036

In the Linux kernel, the following vulnerability has been resolved: net: use skbheaderpointer for TCPv4 GSO fragoff check Syzbot reported a KMSAN uninit-value warning in gsofeaturescheck called from netifskbfeatures 1. gsofeaturescheck reads iph-fragoff to decide whether to clear mangleidfeatures...

CVE-2026-31748 comedi: me_daq: Fix potential overrun of firmware buffer

In the Linux kernel, the following vulnerability has been resolved: comedi: medaq: Fix potential overrun of firmware buffer me2600xilinxdownload loads the firmware that was requested by requestfirmware. It is possible for it to overrun the source buffer because it blindly trusts the file format. ...

CVE-2026-31747 comedi: me4000: Fix potential overrun of firmware buffer

In the Linux kernel, the following vulnerability has been resolved: comedi: me4000: Fix potential overrun of firmware buffer me4000xilinxdownload loads the firmware that was requested by requestfirmware. It is possible for it to overrun the source buffer because it blindly trusts the file format...

CVE-2026-31700

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

EUVD-2026-26509

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

CVE-2026-31700 net/packet: fix TOCTOU race on mmap'd vnet_hdr in tpacket_snd()

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

CVE-2026-31700

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

CVE-2026-35547

When processing the header of an incoming message, libnv failed to properly validate the message size. The lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible for an unprivileged user to...

SUSE CVE-2026-37555

An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec. The AIFF code path line 241 was fixed with sfcountt cast, but the WAV code path line 235 and close path line 167 were not. When samplesperblock int blocks int exceeds INTMAX, the 32-bit multiplication overflows before being assigned to...

PT-2026-36330

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Time-of-Check to Time-of-Use TOCTOU race condition exists in the tpacket snd function when PACKET VNET HDR is enabled. The vnet hdr points to a memory-mapped TX ring buffer shared with...

EUVD-2026-26693

OpenAMP v2025.10.0 ELF loader contains an integer overflow vulnerability in firmware image parsing. In elfloader.c, it performs multiplication of two attacker-controlled 16-bit values from the ELF header without overflow checking. On 32-bit embedded systems STM32MP1, Zynq, i.MX, large values can...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a TOCTOU race condition in the tpacketsnd function’s mmap d vnethdr operation. This vulnerability...

libcurl 7.71.0 < 8.20.0 Cookie Leak via Stale Host Header

The version of libcurl installed on the remote host is 7.71.0 prior to 8.20.0. It is, therefore, affected by a cookie leak vulnerability: - When using the same connection handle for multiple HTTP requests, if a custom Host: header is removed in a subsequent request, the second request would use...

PT-2026-36474

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the network subsystem regarding the handling of tunneled traffic during IPV6 CSUM GSO fallback. The NETIF F IPV6 CSUM flag only supports checksum offload for packets...

PT-2026-36382

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A buffer overrun can occur in the me4000 xilinx download function when loading firmware requested by request firmware. The function reads a data stream length from the first 4 bytes into...

PT-2026-36454

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the ip4ip6 err function where it calls icmp send using a cloned socket buffer skb containing cb data written as struct inet6 skb parm. The icmp send function passes...

PT-2026-36293

Name of the Vulnerable Software and Affected Versions Totolink NR1800X version 9.1.0u.6279 B20210910 Description A stack-based buffer overflow exists in the lighttpd component. This issue occurs when the find host ip function improperly handles the Host argument, allowing a remote attacker to...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the unused skbheaderpointer function in the TCPv4 GSO fragoff check, which results in a direct dereference o...

CVE-2026-40685

In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation of \ skipping...